The Thing + Agatha's Soul Cauldron + Sage of Hours + Invulnerability

Prerequisites

• An opponent cannot block and kill The Thing.

Steps

1. 1Cast Invulnerability with buyback by paying , returning it to your hand.
2. 2At the beginning of your combat phase, The Thing's first ability triggers, putting four +1/+1 counters on it.
3. 3Declare The Thing as an attacker. Its second ability triggers, causing you to pay to double the number of +1/+1 counters on it.
4. 4Activate The Thing using Sage of Hours' ability by removing all +1/+1 counters from it, causing you to take an extra turn after this one.
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock